[utils] Remove duplicated line

This line was added by accident in 42393ce234c651aaae244e1546e1803101765acc

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 4c7ad89c0b39602bf50de3b5ea2a6289c2215cfe..cc391bddd7a4bc39ad475795f133271b39fc3ea2 100644 (file)
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -761,7 +761,6 @@ def unified_strdate(date_str):
         '%Y-%m-%dT%H:%M:%S.%fZ',
         '%Y-%m-%dT%H:%M:%S.%f0Z',
         '%Y-%m-%dT%H:%M:%S',
-        '%Y-%m-%dT%H:%M:%S',
     ]
     for expression in format_expressions:
         try: